Question # 1

Organisms which are very similar and have a tendency of inbreeding are called

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Species

Gene pool

Community

Niche

Biotic components of ecosystem are

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Animal and plants

Micro-organisms

Fungi

All of above

When Cocci occur in pairs then arrangement is called

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Diplococcus

Staphylococcus

Sarcina

All of above

Which of the following component DNA contains

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Nitrogen Group

Five-carbon sugar

Nitrogen containing bases

All of above

The % of protein in case of chromosomes is

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100%

80%

60%

20%

Which of the following shapes of bacteria are present

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Cocci

Bacilli

Spiral

All of above

Who formulated the "germ theory of disease"

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Robert Brown

Robert Hook

Robert Whittaker

Robert Koch

Which of the following is Non-vascular

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Bryophyta

Tracheophyta

Gymnosperms

Angiosperm

During the photosynthetic reactions what are the products

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Water and light

Carbon-dioxide & light

Glucose and oxygen

All of above

The specialized microtubule structure called mitotic apparatus including

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Aster

Spindle

Both A and B

None

The part of earth inhabited by living organisms and non-living components is called

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Ecosystem

Biosphere

Habitat

Niche

Respiratory activity which occur in plants during daytime is called

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Photosynthesis

Photorespiration

Photoperiodism

Vernalization

Soil can be defined as

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The upper layer of earth's crust

Lower lager of earth's crust

Collection of natural resources

All above

The frog has number of chromosomes

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46

13

26

40

Fungus body is called

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Hyphae

Mycelium

Basal body

Stalk

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